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    "# 2.Python与数据收集\n",
    "\n",
    "## 2.1 数据收集简介\n",
    "数据收集是指从各种来源收集、整理、处理、分析、呈现和存储数据，以便为分析师和决策者提供有价值的信息。数据收集的过程通常包括数据采集、数据清洗、数据转换、数据分析、数据可视化、数据存储等步骤。\n"
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